Ethanol, introduced after the 1973-74 oil crisis, is hailed by its supporters as a way to avoid dependence on foreign oil and, because it is clean-burning, as a solution to air pollution.
Unlike the situation at La Guardia, where there is simply no room for growth, the appropriate solution to air gridlock at the national level is not rationing but expansion of the system's capacity.
If somebody is going to make money on energy, Dr. Dean says, why not American farmers "instead of Saudi sheiks?" It's not unusual for ethanol's defenders to claim that it is the solution to air pollution, but now it's also an additive to the Middle East road map.
A few years back, an article in The Himalayan Times made the argument that cycling might be part of the solution to air pollution in the valley, calling for a network of bike lanes to accompany a road-widening scheme – although this hasn't really happened.
The sharing economy has proven to be a viable solution to air pollution and bottlenecking.
In addition, the ratio of solution to air flow rate can be decided by the simulation as well.
